“Tiger and Turtle–Magic Mountain” by German art duo Heike Mutter and Ulrich Genth is a walkable sculpture shaped like a roller coaster. Visitors can stroll along the track (except for the loop sections). The 69 foot tall sculpture is located in Wanheim Duisburg, Germany.
via The Awesomer
photos 1 and 2 by Michael, photos 3 and 4 via Heike Mutter and Ulrich Genth